http://tekniikanedistamissaatio.fi/tekniikan-edistamissaation-apurahat-2018
One of the major troubles in plasmonic applications is the loss of energy via damping, as metallic structures are extremely lossy. In the proposed research project, visible spectrum of light will be studied, which allows investigation of coupling of plasmon modes to gain materials as a loss compensation mechanism. Understanding the underlying physics behind Extraordinary optical transmission (EOT) by associating it with plasmon hybridization between LSP and SPP modes and eventually studying out loss compensation strategies would lead up potential developments in fundamental sciences and hence nanotechnology.
Since its discovery in 1998, EOT has been a very active and attractive research field, as several experimental and theoretical groups around the world have reproduced the main features found in the first set of experiments. These have been followed by the numerous papers reporting the dependence of the phenomenon to the type of metal, type of lattice, shape of holes, wavelength regime, etc., leading to both the discovery of new ways of enhancing optical transmission and to its application to sensing, color filters, metamaterials, lenses, optical trapping, and enhancement of nonlinear effects, among others. EOT related studies are therefore quite interdisciplinary, building the bridge over nanoscience and nanotechnology.
By overcoming the effect of loss and understanding the nature of the EOT, there is a high potential to become the platform of choice for sensing, color filters and optical trapping technologies.